"use strict";
let a = 100;
a = 10;
// a='100'
let b = 'bbb';
b = 'asda';
// b=123
let c = 30;
// c=12
let d = "ddd";
// d=123
// d='aaa'
d = "ddd";
let e;
e = '未知';
console.log(a, b, c, d, e);
console.log(typeof (a));
let f;
f = 13;
f = '456';
f = () => {
};
let g = () => { };
g = {};
g = [];
function h() {
}
function i() {
    throw new Error("");
}
let j;
j = [a, 1, 2, 3];
// j[2]='a'
